XBT_PUBLIC(double) MSG_host_get_power_peak_at(msg_host_t h, int pstate);
XBT_PUBLIC(double) MSG_host_get_current_power_peak(msg_host_t h);
XBT_PUBLIC(int) MSG_host_get_nb_pstates(msg_host_t h);
XBT_PUBLIC(double) MSG_host_get_power_peak_at(msg_host_t h, int pstate);
XBT_PUBLIC(double) MSG_host_get_current_power_peak(msg_host_t h);
XBT_PUBLIC(int) MSG_host_get_nb_pstates(msg_host_t h);